XC9142B28CMR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9142B28CMR-G is a synchronous step-up DC/DC converter manufactured by Torex Semiconductor. It operates within an input voltage range of 0.65 V to 6 V and provides a fixed output voltage of 2.8 V. The device supports a maximum output current of 800 mA with a switching frequency of 1.2 MHz. Key electrical characteristics include a quiescent current of 17 uA and an operating supply current of 1.5 mA. It functions reliably across a temperature range of -40°C to +85°C and utilizes a SOT-25-5 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification for high conversion efficiency
• Supports low-voltage operation starting from 0.65 V input
• Includes built-in protection against overcurrent and thermal overload

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices powered by single-cell lithium-ion batteries
• Battery-powered sensors requiring stable voltage regulation
• Low-power consumer electronics utilizing boost topology

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'CMR' confirms the fixed 2.8 V output and SOT-25-5 packaging configuration. Ensure compatibility with RoHS3 standards and confirm the manufacturer designation as Torex Semiconductor Ltd during sourcing. Cross-reference datasheet ETR04018-003b for accurate application circuit parameters.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.8 V output is required from a variable or low-input source up to 6 V. The 800 mA capacity suits moderate load applications, while the 1.2 MHz frequency allows for compact external inductor selection. Verify that the 17 uA quiescent current meets standby power requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9142 series of 0.8 A synchronous step-up DC/DC converters. The series is characterized by high efficiency and low power consumption, designed for battery-operated equipment. The XC9142B variant specifically denotes the synchronous rectifier architecture within the broader product family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution lists for equivalent fixed-output regulators. Verify pinout compatibility and thermal performance before replacing with other manufacturers' synchronous boost converters.